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Osorio R, Rodríguez-Lozano FJ, Toledano M, Toledano-Osorio M, García-Bernal D, Murcia L, López-García S. Mitigating lipopolysaccharide-induced impairment in human dental pulp stem cells with tideglusib-doped nanoparticles: Enhancing osteogenic differentiation and mineralization. Dent Mater 2024; 40:1591-1601. [PMID: 39068091 DOI: 10.1016/j.dental.2024.07.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2024] [Revised: 07/18/2024] [Accepted: 07/23/2024] [Indexed: 07/30/2024]
Abstract
OBJECTIVE Drug-loaded non-resorbable polymeric nanoparticles (NPs) are proposed as an adjunctive treatment for pulp regenerative strategies. The present in vitro investigation aimed to evaluate the effectiveness of tideglusib-doped nanoparticles (TDg-NPs) in mitigating the adverse effects of bacterial lipopolysaccharide endotoxin (LPS) on the viability, morphology, migration, differentiation and mineralization potential of human dental pulp stem cells (hDPSCs). METHODS Cell viability, proliferation, and differentiation were assessed using a MTT assay, cell migration evaluation, cell cytoskeleton staining analysis, Alizarin Red S staining and expression of the odontogenic related genes by a real-time quantitative polymerase chain reaction (RT-qPCR) were also performed. Cells were tested both with and without stimulation with LPS at various time points. One-way ANOVA and Tukey's test were employed for statistical analysis (p < 0.05). RESULTS Adequate cell viability was encountered in all groups and at every tested time point (24, 48, 72 and 168 h), without differences among the groups (p > 0.05). The analysis of cell cytoskeleton showed nuclear alteration in cultures with undoped NPs after LPS stimulation. These cells exhibited an in blue diffuse and multifocal appearance. Some nuclei looked fragmented and condensed. hDPSCs after LPS stimulation but in the presence of TDg-NPs exhibited less nuclei changes. LPS induced down-regulation of Alkaline phosphatase, Osteonectin and Collagen1 gene markers, after 21d. LPS half-reduced the cells production of calcium deposits in all groups (p < 0.05), except in the group with TDg-NPs (decrease about 10 %). SIGNIFICANCE LPS induced lower mineral deposition and cytoskeletal disorganization in hDPSCs. These effects were counteracted by TDg-NPs, enhancing osteogenic differentiation and mineralization.
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Affiliation(s)
- Raquel Osorio
- Faculty of Dentistry, University of Granada Colegio Máximo de Cartuja s/n, Granada 18071, Spain
| | - Francisco J Rodríguez-Lozano
- Department of Dermatology, Stomatology, Radiology and Physical Medicine, Morales Meseguer Hospital, Biomedical Research Institute (IMIB), Regional Campus of International Excellence "Campus Mare Nostrum", Faculty of Medicine, University of Murcia, Murcia 30008, Spain
| | - Manuel Toledano
- Faculty of Dentistry, University of Granada Colegio Máximo de Cartuja s/n, Granada 18071, Spain.
| | - Manuel Toledano-Osorio
- Postgraduate Program of Specialization in Periodontology, Faculty of Dentistry, University Complutense of Madrid, Madrid, Spain
| | - David García-Bernal
- Department of Biochemistry, Molecular Biology B and Immunology, Faculty of Medicine, University of Murcia, Biomedical Research Institute (IMIB), Murcia 30120, Spain
| | - Laura Murcia
- Department of Health Sciences, Catholic University San Antonio of Murcia, Murcia 30107, Spain
| | - Sergio López-García
- Department of Dermatology, Stomatology, Radiology and Physical Medicine, Morales Meseguer Hospital, Biomedical Research Institute (IMIB), Regional Campus of International Excellence "Campus Mare Nostrum", Faculty of Medicine, University of Murcia, Murcia 30008, Spain
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Smith N, Shirazi S, Cakouros D, Gronthos S. Impact of Environmental and Epigenetic Changes on Mesenchymal Stem Cells during Aging. Int J Mol Sci 2023; 24:ijms24076499. [PMID: 37047469 PMCID: PMC10095074 DOI: 10.3390/ijms24076499] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 03/22/2023] [Accepted: 03/28/2023] [Indexed: 03/31/2023] Open
Abstract
Many crucial epigenetic changes occur during early skeletal development and throughout life due to aging, disease and are heavily influenced by an individual’s lifestyle. Epigenetics is the study of heritable changes in gene expression as the result of changes in the environment without any mutation in the underlying DNA sequence. The epigenetic profiles of cells are dynamic and mediated by different mechanisms, including histone modifications, non-coding RNA-associated gene silencing and DNA methylation. Given the underlining role of dysfunctional mesenchymal tissues in common age-related skeletal diseases such as osteoporosis and osteoarthritis, investigations into skeletal stem cells or mesenchymal stem cells (MSC) and their functional deregulation during aging has been of great interest and how this is mediated by an evolving epigenetic landscape. The present review describes the recent findings in epigenetic changes of MSCs that effect growth and cell fate determination in the context of aging, diet, exercise and bone-related diseases.
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Affiliation(s)
- Nicholas Smith
- Mesenchymal Stem Cell Laboratory, School of Biomedicine, Faculty of Health and Medical Sciences, University of Adelaide, Adelaide, SA 5001, Australia
- Precision Medicine Theme, South Australian Health and Medical Research Institute, Adelaide, SA 5001, Australia
| | - Suzanna Shirazi
- Mesenchymal Stem Cell Laboratory, School of Biomedicine, Faculty of Health and Medical Sciences, University of Adelaide, Adelaide, SA 5001, Australia
- Precision Medicine Theme, South Australian Health and Medical Research Institute, Adelaide, SA 5001, Australia
| | - Dimitrios Cakouros
- Mesenchymal Stem Cell Laboratory, School of Biomedicine, Faculty of Health and Medical Sciences, University of Adelaide, Adelaide, SA 5001, Australia
- Precision Medicine Theme, South Australian Health and Medical Research Institute, Adelaide, SA 5001, Australia
- Correspondence: (D.C.); (S.G.); Tel.: +61-8-8128-4395 (S.G.)
| | - Stan Gronthos
- Mesenchymal Stem Cell Laboratory, School of Biomedicine, Faculty of Health and Medical Sciences, University of Adelaide, Adelaide, SA 5001, Australia
- Precision Medicine Theme, South Australian Health and Medical Research Institute, Adelaide, SA 5001, Australia
- Correspondence: (D.C.); (S.G.); Tel.: +61-8-8128-4395 (S.G.)
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Kornsuthisopon C, Tompkins KA, Osathanon T. Tideglusib enhances odontogenic differentiation in human dental pulp stem cells in vitro. Int Endod J 2023; 56:369-384. [PMID: 36458950 DOI: 10.1111/iej.13877] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 11/29/2022] [Accepted: 11/30/2022] [Indexed: 12/03/2022]
Abstract
AIM Tideglusib is a small molecule agonist of the canonical Wnt pathway. The present study investigated the influence of Tideglusib on human dental pulp stem cell (hDPSC) proliferation, apoptosis, migration and odonto/osteogenic differentiation. METHODOLOGY hDPSCs were treated with 50, 100 nM or 200 nM Tideglusib. β-catenin accumulation was detected by immunofluorescence staining. Colony-forming unit ability was assessed by staining with Coomassie blue. Cell cycle progression and cell apoptosis were investigated using flow cytometry. Cell migration was examined using an in vitro wound-healing assay. Osteogenic differentiation was examined using alkaline phosphatase (ALP) staining, alizarin red S staining and osteogenic-related gene expression. The gene expression profile was examined using a high-throughput RNA sequencing technique. All experiments were repeated using cells derived from at least four different donors (n = 4). The Mann-Whitney U-test was used to identify significant differences between two independent group comparisons. For three or more group comparisons, statistical differences were assessed using the Kruskal-Wallis test followed by pairwise comparison. The significance level was set at 5% (p < .05). RESULTS Tideglusib activated the Wnt signalling pathway in hDPSCs as demonstrated by an increase in cytoplasmic β-catenin accumulation and nuclear translocation. Tideglusib did not affect hDPSC proliferation, cell cycle progression, cell apoptosis or cell migration. In contrast, 50 and 100 nM Tideglusib significantly enhanced mineralization and osteogenic marker gene expression (RUNX2, ALP, BMP2 and DSPP; p < .05). CONCLUSIONS Tideglusib enhanced the odonto/osteogenic differentiation of hDPSCs. Therefore, incorporating this bioactive molecule in a pulp-capping material could be a promising strategy to promote dentine repair.
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Affiliation(s)
- Chatvadee Kornsuthisopon
- Dental Stem Cell Biology Research Unit, Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand
| | - Kevin A Tompkins
- Office of Research Affairs, Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand
| | - Thanaphum Osathanon
- Dental Stem Cell Biology Research Unit, Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand.,Office of Research Affairs, Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand.,Department of Anatomy, Faculty of Dentistry, Chulalongkorn University, Bangkok, Thailand
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Zang LY, Yang XL, Li WJ, Liu GL. Long Noncoding RNA Metastasis-Associated Lung Adenocarcinoma Transcript 1 Promotes the Osteoblast Differentiation of Human Bone Marrow-Derived Mesenchymal Stem Cells by Targeting the microRNA-96/Osterix Axis. J Craniofac Surg 2022; 33:956-961. [PMID: 34456284 DOI: 10.1097/scs.0000000000008092] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
OBJECTIVES To investigate whether and how the long noncoding RNA (lncRNA) metastasis-associated lung adenocarcinoma transcript 1 (MALAT1) sponges microRNA-96 (miR-96) to achieve the osteogenic differentiation of human bone marrow-derived mesenchymal stem cells (hBMSCs). METHODS Protein levels were detected by Western blot. Mineralized bone matrix formation was studied by alizarin red staining. Metastasis-associated lung adenocarcinoma transcript 1, miR-96, and osteogenesis-related Messenger RNA expression was assessed by Quantitative Real-time Polymerase Chain Reaction (qRT-PCR). The interactions between miR-96 and osterix (Osx), MALAT1, and miR-96 were determined by luciferase reporter assay. RESULTS The expression of MALAT1 was upregulated whereas that of miR-96 was downregulated in osteogenic hBMSCs. In addition, the expression of MALAT1 significantly decreased whereas that of miR-96 increased in the hBMSCs of osteoporosis (OP) patients. qRT-PCR and alizarin red staining assays showed that MALAT1 silencing or miR-96 overexpression inhibits hBMSC osteogenic differentiation and vice versa. overexpression of miR-96 reversed the promotive effect of MALAT1 on the osteogenic differentiation of hBMSCs. Dual luciferase report assay verified that miR-96 is a regulatory target of MALAT1 and that Osx is a gene target of miR-96. CONCLUSIONS Taken together, the results demonstrate that MALAT1 promotes the osteogenic differentiation of hBMSCs by regulating the miR-96/Osx axis. Our study provides novel mechanistic insights into the critical role of lncRNA MALAT1 as a microRNA sponge in OP patients and sheds new light on lncRNA-directed diagnostics and therapeutics in OP.
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Affiliation(s)
- Lu-Yang Zang
- Department of Endocrinology, Tangshan Gongren Hospital, Tangshan City, China
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The Effects of Polyphenol, Tannic Acid, or Tannic Acid in Combination with Pamidronate on Human Osteoblast Cell Line Metabolism. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27020451. [PMID: 35056766 PMCID: PMC8779126 DOI: 10.3390/molecules27020451] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 01/06/2022] [Accepted: 01/08/2022] [Indexed: 01/04/2023]
Abstract
Background: This study investigates the effect of tannic acid (TA) combined with pamidronate (PAM) on a human osteoblast cell line. Methods: EC50 for TA, PAM, and different combination ratios of TA and PAM (25:75, 50:50, 75:25) were measured by 3-(4,5-dimethyl-2-thiazolyl)-2,5-diphenyl-2H-tetrazolium bromide (MTT) assay. The combination index value was utilized to analyze the degree of drug interaction, while trypan blue assay was applied to analyze the cells proliferation effect. The mineralization and detection of bone BSP and Osx genes were determined via histochemical staining and PCR test, respectively. Results: The EC50 of osteoblasts treated with TA and a 75:25 ratio of TA and PAM were more potent with lower EC50 at 0.56 µg/mL and 0.48 µg/mL, respectively. The combination of TA and PAM (75:25) was shown to have synergistic interaction. On Day 7, both TA and PAM groups showed significantly increased proliferation compared with control and combination groups. On Day 7, both the TA and combination-treated groups demonstrated a higher production of calcium deposits than the control and PAM-treated groups. Moreover, on Day 7, the combination-treated group showed a significantly higher expression of BSP and Osx genes than both the TA and PAM groups. Conclusion: Combination treatment of TA and PAM at 75:25 ameliorated the highest enhancement of osteoblast proliferation and mineralization as well as caused a high expression of BSP and Osx genes.
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Wang N, Han X, Yang H, Xia D, Fan Z. miR-6807-5p Inhibited the Odontogenic Differentiation of Human Dental Pulp Stem Cells Through Directly Targeting METTL7A. Front Cell Dev Biol 2021; 9:759192. [PMID: 34790668 PMCID: PMC8591228 DOI: 10.3389/fcell.2021.759192] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Accepted: 09/30/2021] [Indexed: 12/15/2022] Open
Abstract
Background: Tooth tissue regeneration mediated by mesenchymal stem cells (MSCs) has become the most ideal treatment. Although the known regulatory mechanism and some achievements have been discovered, directional differentiation cannot effectively induce regeneration of tooth tissue. In this study, we intended to explore the function and mechanism of miR-6807-5p and its target gene METTL7A in odontogenic differentiation. Methods: In this study, human dental pulp stem cells (DPSCs) were used. Alkaline phosphatase (ALP), Alizarin red staining (ARS), and calcium ion quantification were used to detect the odontogenic differentiation of miR-6807-5p and METTL7A. Real-time RT-PCR, western blot, dual-luciferase reporter assay, and pull-down assay with biotinylated miRNA were used to confirm that METTL7A was the downstream gene of miR-6807-5p. Protein mass spectrometry and co-immunoprecipitation (Co-IP) were used to detect that SNRNP200 was the co-binding protein of METTL7A. Results: After mineralized induction, the odontogenic differentiation was enhanced in the miR-6807-5p-knockdown group and weakened in the miR-6807-5p-overexpressed group compared with the control group. METTL7A was the downstream target of miR-6807-5p. After mineralized induction, the odontogenic differentiation was weakened in the METTL7A-knockdown group and enhanced in the METTL7A-overexpressed group compared with the control group. SNRNP200 was the co-binding protein of METTL7A. The knockdown of SNRNP200 inhibited the odontogenic differentiation of DPSCs. Conclusion: This study verified that miR-6807-5p inhibited the odontogenic differentiation of DPSCs. The binding site of miR-6807-5p was the 3′UTR region of METTL7A, which was silenced by miR-6807-5p. METTL7A promoted the odontogenic differentiation of DPSCs. SNRNP200, a co-binding protein of METTL7A, promoted the odontogenic differentiation of DPSCs.
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Affiliation(s)
- Ning Wang
- Laboratory of Molecular Signaling and Stem Cells Therapy, Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, Capital Medical University School of Stomatology, Beijing, China
| | - Xiao Han
- Laboratory of Molecular Signaling and Stem Cells Therapy, Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, Capital Medical University School of Stomatology, Beijing, China
| | - Haoqing Yang
- Laboratory of Molecular Signaling and Stem Cells Therapy, Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, Capital Medical University School of Stomatology, Beijing, China
| | - Dengsheng Xia
- Department of General Dentistry and Integrated Emergency Dental Care, Capital Medical University School of Stomatology, Beijing, China
| | - Zhipeng Fan
- Laboratory of Molecular Signaling and Stem Cells Therapy, Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, Capital Medical University School of Stomatology, Beijing, China.,Research Unit of Tooth Development and Regeneration, Chinese Academy of Medical Sciences, Beijing, China
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Li F, Wu H, Zou G, Cang D, Shen Y. Circular RNA_0062582 promotes osteogenic differentiation of human bone marrow mesenchymal stem cells via regulation of microRNA-145/CBFB axis. Bioengineered 2021; 12:1952-1963. [PMID: 34027799 PMCID: PMC8806255 DOI: 10.1080/21655979.2021.1921553] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Osteoporosis poses a threat to human health worldwide. To date, there have been few studies regarding targeted treatment of osteoporosis. We aimed to identify the possible molecular mechanism of circular RNA (circ)_0062582 in osteogenic differentiation, and the interactions among circ_0062582, microRNA-145 (miR-145) and core-binding factor subunit β (CBFB). The proliferation of human bone marrow mesenchymal stem cells (hBMSCs) was tested with a cell counting kit-8 assay. Circ_0062582, miR-145 and CBFB were overexpressed by transient transfection. Dual-luciferase reporter assay system was used to analyze the combination among circ_0062582, miR-145 and CBFB. Additionally, the levels of circ_0062582, miR-145, CBFB, osterix (OSX), osteocalcin (OCN) and collagen type 1 (COL1) were detected by means of RT-qPCR or western blot analysis. Alkaline phosphatase and Alizarin red stainings were performed to analyze the degree of osteogenic differentiation under the control of circ_0062582, miR-145 and CBFB. The results demonstrated that circ_0062582 level was notably elvated during osteogenic differentiation of hBMSCs. Circ_0062582 overexpression significantly promoted osteogenic differentiation and upregulated the levels of osteogenic differentiation-related proteins, including OSX, OCN and COL1. In addition, miR-145, which was identified as the target gene of circ_0062582, could specifically target CBFB 3′-UTR regions. Next, these changes caused by the overexpression of circ_0062582 were reversed following the addition of miR-145 mimic. Following overexpression of CBFB, osteogenic differentiation was increased. In summary, these results demonstrated that the role of circ_0062582 in osteoporosis is mediated through regulating the expression level of CBFB via miR-145.
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Affiliation(s)
- Feng Li
- Department of Orthopedics, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu, P.R.China.,Department of Orthopedics, The First People's Hospital of Yancheng, Yancheng, Jiangsu, P.R.China
| | - Hao Wu
- Department of Orthopedics, The First People's Hospital of Yancheng, Yancheng, Jiangsu, P.R.China
| | - Guoyou Zou
- Department of Orthopedics, The First People's Hospital of Yancheng, Yancheng, Jiangsu, P.R.China
| | - Dingwei Cang
- Department of Orthopedics, The First People's Hospital of Yancheng, Yancheng, Jiangsu, P.R.China
| | - Yixin Shen
- Department of Orthopedics, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu, P.R.China
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Chen X, Liu Y, Meng B, Wu D, Wu Y, Cao Y. Interleukin-20 inhibits the osteogenic differentiation of MC3T3-E1 cells via the GSK3β/β-catenin signalling pathway. Arch Oral Biol 2021; 125:105111. [PMID: 33798924 DOI: 10.1016/j.archoralbio.2021.105111] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Revised: 03/13/2021] [Accepted: 03/21/2021] [Indexed: 02/06/2023]
Abstract
OBJECTIVE To investigate the effects of interleukin-20 (IL-20) on the osteogenic differentiation of MC3T3-E1 cells. METHODS The pre-osteoblast line MC3T3-E1 was treated with different concentrations of IL-20 (0, 2, 20 and 100 ng/mL), and the cell viability was detected by the CCK8 assay. To assess the influence of IL-20 on osteogenic differentiation, alkaline phosphatase (ALP) activity and Alizarin red staining were performed at predetermined times. The expression levels of Runt-related transcription factor 2 (RUNX2), Osterix (Osx), glycogen synthase kinase-3β (GSK-3β) and β-catenin were detected by qRT-PCR and Western blotting analyses. 5 nmol/L lithium chloride (LiCl) was used as GSK-3β inhibitor. RESULTS IL-20 promoted cell proliferation but decreased ALP activity and mineralization. Moreover, IL-20 downregulated the expression of RUNX2, Osx and β-catenin but upregulated the level of GSK-3β. CONCLUSIONS The results suggest that IL-20 could inhibit the osteogenic differentiation of MC3T3-E1 cells via the GSK3β/β-catenin signalling pathway.
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Affiliation(s)
- Xi Chen
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, China; Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-sen University, Guangzhou, China
| | - Yuanbo Liu
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, China; Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-sen University, Guangzhou, China
| | - Bowen Meng
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, China; Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-sen University, Guangzhou, China
| | - Dongle Wu
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, China; Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-sen University, Guangzhou, China
| | - Yilin Wu
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, China; Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-sen University, Guangzhou, China
| | - Yang Cao
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangzhou, China; Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-sen University, Guangzhou, China.
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Shirazi S, Huang CC, Kang M, Lu Y, Ravindran S, Cooper LF. The importance of cellular and exosomal miRNAs in mesenchymal stem cell osteoblastic differentiation. Sci Rep 2021; 11:5953. [PMID: 33723364 PMCID: PMC7960990 DOI: 10.1038/s41598-021-85306-2] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Accepted: 02/12/2021] [Indexed: 12/19/2022] Open
Abstract
The differentiation of osteoblasts is under complex regulation that includes autocrine and paracrine signaling from MSCs. Exosomes are important components of the MSC secretome and their cargo contains numerous miRNAs. In this study, the importance of MSC miRNAs in modulation of osteoblastic differentiation was examined by global reduction of miRNA biosynthesis in Dicer knock down hMSCs. We additionally impaired hMSC responses to miRNAs by knockdown of Argonaute 2 expression. Knockdown of Dicer and Argonaute 2 both reduced osteoblastic differentiation of hMSCs. This was observed at the levels of hMSC culture mineralization and osteoblastic gene expression. The treatment of Dicer deficient hMSCs with wild type hMSC exosomes effectively recovered the impaired osteoblastic differentiation. Dicer knockdown reduced the quantity and diversity of miRNAs present in hMSC exosomes. miRSeq data and KEGG analysis implicated the miRNA-dependent effects on multiple osteoinductive pathways in Dicer deficient cells, including the Hippo signaling and TGF-beta signaling pathways. Treatment of hMSCs with mimics of miRNAs significantly downregulated in Dicer knockdown cells recovered functions of exosome-mediated signaling in hMSCs. These results indicate that hMSC exosomes exert miRNA-dependent control that contributes to osteoblastic differentiation.
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Affiliation(s)
- Sajjad Shirazi
- Department of Oral Biology, College of Dentistry, University of Illinois at Chicago, 801 S Paulina St., Room 561C, Chicago, IL, 60612, USA
| | - Chun-Chieh Huang
- Department of Oral Biology, College of Dentistry, University of Illinois at Chicago, 801 S Paulina St., Room 561C, Chicago, IL, 60612, USA
| | - Miya Kang
- Department of Oral Biology, College of Dentistry, University of Illinois at Chicago, 801 S Paulina St., Room 561C, Chicago, IL, 60612, USA
| | - Yu Lu
- Department of Oral Biology, College of Dentistry, University of Illinois at Chicago, 801 S Paulina St., Room 561C, Chicago, IL, 60612, USA
| | - Sriram Ravindran
- Department of Oral Biology, College of Dentistry, University of Illinois at Chicago, 801 S Paulina St., Room 561C, Chicago, IL, 60612, USA.
| | - Lyndon F Cooper
- Department of Oral Biology, College of Dentistry, University of Illinois at Chicago, 801 S Paulina St., Room 561C, Chicago, IL, 60612, USA.
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Ke H, Mou X, Xia Q. Remifentanil repairs cartilage damage and reduces the degradation of cartilage matrix in post-traumatic osteoarthritis, and inhibits IL-1β-induced apoptosis of articular chondrocytes via inhibition of PI3K/AKT/NF-κB phosphorylation. ANNALS OF TRANSLATIONAL MEDICINE 2020; 8:1487. [PMID: 33313232 PMCID: PMC7729373 DOI: 10.21037/atm-20-6000] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Background Remifentanil (RFT) is an opioid analgesic with a unique pharmacokinetic profile, and plays an important role in the intra- and post-operative periods. Post-traumatic osteoarthritis (PTO) is a particular type of osteoarthritis (OA) that occurs secondary to a traumatic injury. In the present study, we investigated the effects of RFT both in vivo and in vitro. Methods In vivo, 50 Sprague Dawley (SD) rats (7 weeks old) were randomly divided into five groups. Four groups of rats received RFT (0.2, 0.5, and 1 µg) or vehicle (PTO group), while the remaining group served as the control. A PTO model in rats was established using the Hulth method. The cartilage damage, articular cartilage formation, and the degradation of cartilage matrix were evaluated. The effects of RFT on cell proliferation, apoptosis, and nuclear factor (NF)-κB phosphorylation were also examined. Results The results indicated that RFT improved cartilage damage, enhanced articular cartilage formation, and inhibited the degradation of cartilage matrix in PTO model rats. Compared with the control group, the protein levels of Osterix (OSX), Collagen type I alpha 1 (COL1A1), and osteocalcin (OC) were down-regulated in PTO model rats. RFT also inhibited the interleukin-1β (IL-1β)-induced apoptosis of chondrocytes in vitro. Furthermore, the phosphoinositide 3-kinase (PI3K)/protein kinase B (AKT)/NF-κB pathway was inhibited both in vitro and in vitro. Conclusions RFT has significant potential as a therapeutic intervention to ameliorate PTO and provides a foundation for further clinical studies.
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Affiliation(s)
- Hai Ke
- Department of Anesthesiology, Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing, China
| | - Xiaping Mou
- Department of Orthopedics, The People's Hospital of Jianyang, Jianyang, China
| | - Qing Xia
- Department of Traumatic Orthopedics, No. 1 People's Hospital of Yancheng, Yancheng, China
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11
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Roy E, Byrareddy SN, Reid SP. Role of MicroRNAs in Bone Pathology during Chikungunya Virus Infection. Viruses 2020; 12:E1207. [PMID: 33114216 PMCID: PMC7690852 DOI: 10.3390/v12111207] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Revised: 10/10/2020] [Accepted: 10/19/2020] [Indexed: 02/08/2023] Open
Abstract
Chikungunya virus (CHIKV) is an alphavirus, transmitted by mosquitoes, which causes Chikungunya fever with symptoms of fever, rash, headache, and joint pain. In about 30%-40% of cases, the infection leads to polyarthritis and polyarthralgia. Presently, there are no treatment strategies or vaccine for Chikungunya fever. Moreover, the mechanism of CHIKV induced bone pathology is not fully understood. The modulation of host machinery is known to be essential in establishing viral pathogenesis. MicroRNAs (miRNAs) are small non-coding RNAs that regulate major cellular functions by modulating gene expression. Fascinatingly, recent reports have indicated the role of miRNAs in regulating bone homeostasis and altered expression of miRNAs in bone-related pathological diseases. In this review, we summarize the altered expression of miRNAs during CHIKV pathogenesis and the possible role of miRNAs during bone homeostasis in the context of CHIKV infection. A holistic understanding of the different signaling pathways targeted by miRNAs during bone remodeling and during CHIKV-induced bone pathology may lead to identification of useful biomarkers or therapeutics.
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Affiliation(s)
- Enakshi Roy
- Department of Pathology & Microbiology, University of Nebraska Medical Center, Omaha, NE 68198-5900, USA;
| | - Siddappa N. Byrareddy
- Department of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, NE 68198-5900, USA
- Department of Genetics, Cell Biology and Anatomy, University of Nebraska Medical Center, Omaha, NE 68198-5900, USA
- Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, NE 68198-5900, USA
| | - St Patrick Reid
- Department of Pathology & Microbiology, University of Nebraska Medical Center, Omaha, NE 68198-5900, USA;
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12
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Mo J, Au DWT, Wan MT, Shi J, Zhang G, Winkler C, Kong RYC, Seemann F. Multigenerational Impacts of Benzo[ a]pyrene on Bone Modeling and Remodeling in Medaka ( Oryzias latipes). ENVIRONMENTAL SCIENCE & TECHNOLOGY 2020; 54:12271-12284. [PMID: 32840350 DOI: 10.1021/acs.est.0c02416] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Ancestral benzo[a]pyrene (BaP) (1 μg/L, 21 days) exposure has previously been shown to cause skeletal deformities in medaka (Oryzias latipes) larvae in the F1-F3 generation. However, when and how this deformity is induced during bone development remain to be elucidated. The col10a1:nlGFP/osx:mCherry double transgenic medaka model was employed to determine the temporal and spatial changes of col10a1:nlGFP- positive osteochondral progenitor cells (OPCs) and osx:mCherry-positive premature osteoblasts (POBs) [8 days postfertilization (dpf)-31 dpf] in combination with changes in bone mineralization at the tissue level. Ancestral BaP exposure delayed the development of col10a1:nlGFP- and osx:mCherry-positive osteoblasts and reduced the abundance of col10a1:nlGFP-positive osteoblast progenitors and col10a1:nlGFP/osx:mCherry double-positive premature osteoblasts during critical windows of early vertebral bone formation, associated with reduced bone mineralization in embryos (14 dpf) and larvae (31 dpf), compressed vertebral segments in larvae (31 dpf), and reduced bone thickness in adult male medaka (6 months old) of the F1-F3 generations. Both Col10a1:nlGFP and osx:mCherry were identified as potential targets of epigenetic modifications underlying the transgenerational inheritance of BaP bone toxicity. The present study provides novel knowledge of the underlying mechanisms of transgenerational toxicity of BaP at the cellular level.
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Affiliation(s)
- Jiezhang Mo
- Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong SAR China
- State Key Laboratory of Marine Pollution, City University of Hong Kong, Kowloon, Hong Kong SAR, China
| | - Doris Wai-Ting Au
- Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong SAR China
- State Key Laboratory of Marine Pollution, City University of Hong Kong, Kowloon, Hong Kong SAR, China
| | - Miles Teng Wan
- Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong SAR China
- State Key Laboratory of Marine Pollution, City University of Hong Kong, Kowloon, Hong Kong SAR, China
| | - Jingchun Shi
- State Key Laboratory of Marine Pollution, City University of Hong Kong, Kowloon, Hong Kong SAR, China
| | - Ge Zhang
- Institute for Advancing Translational Medicine in Bone and Joint Diseases, School of Chinese Medicine, Hong Kong Baptist University, Kowloon, Hong Kong SAR, China
| | - Christoph Winkler
- Department of Biological Sciences, National University of Singapore, 119077, Singapore
| | - Richard Yuen-Chong Kong
- Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong SAR China
- State Key Laboratory of Marine Pollution, City University of Hong Kong, Kowloon, Hong Kong SAR, China
- Hong Kong Branch of the Guangdong Southern Marine Science and Engineering Laboratory (Guangzhou), Hong Kong SAR, China
- Shenzhen Key Laboratory for the Sustainable Use of Marine Biodiversity, Research Centre for the Oceans and Human Health, Shenzhen Research Institute, City University of Hong Kong, Shenzhen, 518057, China
| | - Frauke Seemann
- Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong SAR China
- State Key Laboratory of Marine Pollution, City University of Hong Kong, Kowloon, Hong Kong SAR, China
- Center for Coastal Studies and Department of Life Sciences, Texas A&M University-Corpus Christi, Corpus Christi, Texas 78412, United States
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13
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Ryu J, Ahn Y, Kook H, Kim YK. The roles of non-coding RNAs in vascular calcification and opportunities as therapeutic targets. Pharmacol Ther 2020; 218:107675. [PMID: 32910935 DOI: 10.1016/j.pharmthera.2020.107675] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Accepted: 08/24/2020] [Indexed: 02/06/2023]
Abstract
Vascular calcification (VC) is characterized by an accumulation of calcium phosphate crystals inside the vessel wall. VC is often associated with diabetes, chronic kidney disease (CKD), atherosclerosis, and cardiovascular disease (CVD). Even though the number of patients with VC remains prevalent, there are still no approved therapies for the treatment of VC. Since the pathogenesis of VC is diverse and involves multiple factors and mechanisms, it is critical to reveal the novel mechanisms involved in VC. Although protein-coding RNAs involved in VC have been extensively studied, the roles of non-coding RNAs (ncRNAs) are not yet fully understood. The field of ncRNAs has recently received attention, and accumulating evidence from studies in VC suggests that ncRNAs, including microRNAs (miRNAs), long non-coding RNAs (lncRNAs), and circular RNAs (circRNAs), play an important role in the regulation of VC. NcRNAs can modulate VC by acting as promoters or inhibitors and may be useful in the clinical diagnosis and treatment of VC. In this article, we review and discuss ncRNAs that regulate VC and present the therapeutic implications of these ncRNAs.
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Affiliation(s)
- Juhee Ryu
- Basic Research Laboratory for Vascular Remodeling, Chonnam National University Medical School, Jeollanam-do, Republic of Korea; Department of Biomedical Sciences, Center for Creative Biomedical Scientists at Chonnam National University, Jeollanam-do, Republic of Korea; Department of Biochemistry, Chonnam National University Medical School, Jeollanam-do, Republic of Korea; Department of Pharmacology, Chonnam National University Medical School, Jeollanam-do, Republic of Korea
| | - Youngkeun Ahn
- Basic Research Laboratory for Vascular Remodeling, Chonnam National University Medical School, Jeollanam-do, Republic of Korea; Department of Cardiology, Cardiovascular Center, Chonnam National University Hospital, Gwangju, Republic of Korea
| | - Hyun Kook
- Basic Research Laboratory for Vascular Remodeling, Chonnam National University Medical School, Jeollanam-do, Republic of Korea; Department of Biomedical Sciences, Center for Creative Biomedical Scientists at Chonnam National University, Jeollanam-do, Republic of Korea; Department of Pharmacology, Chonnam National University Medical School, Jeollanam-do, Republic of Korea.
| | - Young-Kook Kim
- Basic Research Laboratory for Vascular Remodeling, Chonnam National University Medical School, Jeollanam-do, Republic of Korea; Department of Biomedical Sciences, Center for Creative Biomedical Scientists at Chonnam National University, Jeollanam-do, Republic of Korea; Department of Biochemistry, Chonnam National University Medical School, Jeollanam-do, Republic of Korea.
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14
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Zhang B, Yang L, Zheng W, Lin T. MicroRNA-34 expression in gingival crevicular fluid correlated with orthodontic tooth movement. Angle Orthod 2020; 90:702-706. [PMID: 33378474 PMCID: PMC8032257 DOI: 10.2319/090219-574.1] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2019] [Accepted: 01/01/2020] [Indexed: 12/12/2022] Open
Abstract
OBJECTIVES To explore the expression of miR-34a and its effect on expression of matrix metalloproteinases (MMPs) during orthodontic tooth movement (OTM). MATERIALS AND METHODS Twenty patients, age 12-18 years old, who underwent orthodontic treatment were enrolled. The expression of miR-34a and MMPs (MMP-1, MMP-2, MMP-3, MMP-8, MMP-9, and MMP-14) were detected in gingival crevicular fluid by enzyme-linked immunosorbent assay (ELISA) and polymerase chain reaction at different time points. The miR-34a mimics or inhibitors were transfected into human periodontal ligament (hPDL) cells, and the MMP expression was measured by ELISA. RESULTS The miR-34 expression in GCF on both the tension and pressure sides after orthodontic treatment were significantly downregulated, while the levels of MMPs were significantly upregulated compared with baseline level. The levels of miR-34 and MMPs returned to baseline level 3 months after orthodontic treatment. The expression of miR-34 was negatively correlated with the expression of MMP-2, MMP-9, and MMP-14. After transfection with miR-34, the MMP-2, MMP-9, and MMP-14 expression by hPDL cells were significantly downregulated compared with miR-control and miR-34 inhibitor. CONCLUSIONS Downregulated miR-34 expression was positively correlated with MMP-2, MMP-9, and MMP-14 expression. The miR-34a transfection into hPDL cells inhibited expression of MMPs. The results suggest that miR-34a is involved in expression of MMPs during OTM.
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15
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Yang H, Liang Y, Cao Y, Cao Y, Fan Z. Homeobox C8 inhibited the osteo-/dentinogenic differentiation and migration ability of stem cells of the apical papilla via activating KDM1A. J Cell Physiol 2020; 235:8432-8445. [PMID: 32246725 DOI: 10.1002/jcp.29687] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2019] [Revised: 03/18/2020] [Accepted: 03/23/2020] [Indexed: 12/13/2022]
Abstract
Enhancing the functions of mesenchymal stem cells (MSCs) is considered a potential approach for promoting tissue regeneration. In the present study, we investigate the role of HOXC8 in regulating differentiation and migration by using stem cells of the apical papilla (SCAPs). Our results showed that overexpression of HOXC8 suppressed the osteo-/dentinogenic differentiation, as detected by measuring alkaline phosphatase activity, in vitro mineralization, and the expressions of dentin sialophosphoprotein, dentin matrix acidic phosphoprotein 1, bone sialoprotein, runt-related transcription factor 2, and osterix in SCAPs, and inhibited in vivo osteo-/dentinogenesis of SCAPs. In addition, knockdown of HOXC8 promoted the osteo-/dentinogenic differentiation potentials of SCAPs. Mechanically, HOXC8 enhanced KDM1A transcription by directly binding to its promoter. HOXC8 and KDM1A also inhibited the migration and chemotaxis abilities of SCAPs. To sum up, HOXC8 negatively regulated the osteo-/dentinogenic differentiation and migration abilities of SCAPs by directly enhancing KDM1A transcription and indicated that HOXC8 and KDM1A could serve as potential targets for enhancing dental MSC mediated tissue regeneration.
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Affiliation(s)
- Haoqing Yang
- Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, School of Stomatology, Beijing Stomatology Hospital, Capital Medical University, Beijing, China
| | - Yuncun Liang
- Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, School of Stomatology, Beijing Stomatology Hospital, Capital Medical University, Beijing, China
| | - Yangyang Cao
- Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, School of Stomatology, Beijing Stomatology Hospital, Capital Medical University, Beijing, China
| | - Yu Cao
- Department of General Dentistry, School of Stomatology, Beijing Stomatology Hospital, Capital Medical University, Beijing, China
| | - Zhipeng Fan
- Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, School of Stomatology, Beijing Stomatology Hospital, Capital Medical University, Beijing, China
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16
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Wang Y, Li Y, Shao P, Wang L, Bao X, Hu M. IL1β inhibits differentiation of cementoblasts via microRNA‐325‐3p. J Cell Biochem 2019; 121:2606-2617. [DOI: 10.1002/jcb.29482] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2019] [Accepted: 10/08/2019] [Indexed: 01/17/2023]
Affiliation(s)
- Yuzhuo Wang
- Department of Orthodontics, School of Stomatology Jilin University Changchun China
| | - Ying Li
- Department of Orthodontics, School of Stomatology Jilin University Changchun China
| | - Pu Shao
- Department of Orthopedics China‐Japan Union Hospital of Jilin University Changchun China
| | - Liuyi Wang
- Department of Orthodontics, School of Stomatology Jilin University Changchun China
| | - Xingfu Bao
- Department of Orthodontics, School of Stomatology Jilin University Changchun China
| | - Min Hu
- Department of Orthodontics, School of Stomatology Jilin University Changchun China
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17
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Qin W, Liu L, Wang Y, Wang Z, Yang A, Wang T. Mir-494 inhibits osteoblast differentiation by regulating BMP signaling in simulated microgravity. Endocrine 2019; 65:426-439. [PMID: 31129811 DOI: 10.1007/s12020-019-01952-7] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Accepted: 05/05/2019] [Indexed: 12/24/2022]
Abstract
Although the BMPR-SMAD-RUNX2 signaling pathway plays widely recognized roles in BMP-induced osteogenesis, factors regulating this pathway remain to be defined. In this study, we used simulated microgravity models, which represent mechanical unloading conditions, to detect miRNAs that function in osteoblast differentiation. We found that miR-494 was persistently increased in C2C12 cells subjected to clinorotation conditions and in osteoblasts isolated from tail-suspended rats. Experiments showed that the overexpression of miR-494 correlated with a marked reduction in osteoblast differentiation genes and a decrease in osteogenesis in BMP2-induced osteogenetic differentiation. In contrast, the inhibition of miR-494 promoted BMP2-induced osteogenesis and partially rescued osteoblast differentiation disorder under simulated microgravity conditions. Mechanism studies revealed that miR-494 directly targeted BMPR2 and RUNX2, both of which play vital roles in the BMPR-SMAD-RUNX2 signaling pathway. More importantly, we demonstrated a positive feedback loop between miR-494 and MYOD, a critical transcription factor for myogenesis, indicating that miR-494 may participate in deciding cell fate of the multipotent mesenchymal stem cells (MSCs). Collectively, our study reveals an important role for miR-494 in regulating osteogenesis, the identification of which not only clarifies a regulator of BMP2-induced osteoblast differentiation, but also offers a possible strategy for preventing bone loss under microgravity conditions.
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Affiliation(s)
- WeiWei Qin
- Department of Hematology, Tangdu Hospital, Fourth Military Medical University, 710038, Xi'an, China
- State Key Laboratory of Cancer Biology, Department of Biochemistry and Molecular Biology, Fourth Military Medical University, 710032, Xi'an, China
| | - Li Liu
- Department of Hematology, Tangdu Hospital, Fourth Military Medical University, 710038, Xi'an, China
| | - YongChun Wang
- Department of Aerospace Biodynamics, School of Aerospace Medicine, Fourth Military Medical University, 710032, Xi'an, China
| | - Zhe Wang
- Department of Nuclear Medicine, Xijing Hospital, Fourth Military Medical University, 710032, Xi'an, China
| | - AnGang Yang
- Department of Immunology, Fourth Military Medical University, 710032, Xi'an, China.
| | - Tao Wang
- Department of Medical Genetics and Developmental Biology, Fourth Military Medical University, 710032, Xi'an, China.
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18
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Jiao W, Zhang D, Wang D, Xu R, Tang L, Zhao M, Xu R. MicroRNA-638 inhibits human aortic valve interstitial cell calcification by targeting Sp7. J Cell Mol Med 2019; 23:5292-5302. [PMID: 31140727 PMCID: PMC6653209 DOI: 10.1111/jcmm.14405] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2019] [Revised: 04/30/2019] [Accepted: 05/06/2019] [Indexed: 12/13/2022] Open
Abstract
Calcific aortic valve disease (CAVD) is a complex heart valve disease involving a wide range of pathological changes. Emerging evidence indicates that osteogenic differentiation of human aortic valve interstitial cells (hAVICs) plays a key role in valve calcification. In this study, we aimed to investigate the function of miR-638 in hAVICs osteogenesis. Both miRNA microarray assay and qRT-PCR results demonstrating miR-638 was obviously up-regulated in calcific aortic valves compared with non-calcific valves. We also proved that miR-638 was significantly up-regulated during hAVICs osteogenic differentiation. Overexpression of miR-638 suppressed osteogenic differentiation of hAVICs in vitro, whereas down-regulation of miR-638 enhance the process. Target prediction analysis and dual-luciferase reporter assay confirmed that Sp7 transcription factor (Sp7) was a direct target of miR-638. Furthermore, knockdown of Sp7 inhibited osteogenic differentiation of hAVICs, which is similar to the results observed in up-regulation miR-638. Our data indicated that miR-638 plays an inhibitory role in hAVICs osteogenic differentiation, which may act by targeting Sp7. MiR-638 may be a potential therapeutic target for CAVD.
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Affiliation(s)
- Wenjie Jiao
- Department of Thoracic SurgeryThe Affiliated Hospital of Qingdao UniversityQingdaoChina
| | - Dongyang Zhang
- Department of Thoracic SurgeryThe Affiliated Hospital of Qingdao UniversityQingdaoChina
| | - Dong Wang
- Department of Thoracic SurgeryThe Affiliated Hospital of Qingdao UniversityQingdaoChina
| | - Rongwei Xu
- Department of Vascular SurgeryShandong Provincial Qianfoshan Hospital, Shandong UniversityJinanChina
| | - Linna Tang
- Department of Hospital Infection ControlShandong Provincial Qianfoshan Hospital, Shandong UniversityJinanChina
| | - Min Zhao
- Center of Laboratory MedicineQilu Hospital of Shandong University (Qingdao)QingdaoChina
| | - Rongjian Xu
- Department of Thoracic SurgeryThe Affiliated Hospital of Qingdao UniversityQingdaoChina
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19
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Tang L, Lu W, Huang J, Tang X, Zhang H, Liu S. miR‑144 promotes the proliferation and differentiation of bone mesenchymal stem cells by downregulating the expression of SFRP1. Mol Med Rep 2019; 20:270-280. [PMID: 31115543 PMCID: PMC6580040 DOI: 10.3892/mmr.2019.10252] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2018] [Accepted: 04/09/2019] [Indexed: 12/12/2022] Open
Abstract
Osteoporosis (OP) seriously affects the health and quality of life of elderly individuals and postmenopausal women, and the need to identify drugs that can prevent or treat OP remains urgent. Recently, several miRNAs have been reported to be involved in the differentiation of mesenchymal stem cells and osteoblasts; however, the role of miRNA (miR)-144 in regulating OP remains to be elucidated. In the present study, the expression levels of miR-144, secreted frizzled-related protein 1 (Sfrp1) and TNF-α in clinical samples were detected by the reverse transcription-quantitative polymerase chain reaction analysis and ELISA, respectively. 5-Ethynyl-2′-deoxyuridine staining, Hoechst 33258 staining, flow cytometry, a clone formation assay and Alizarin red staining were used to assess the effects of miR-144 combined with or without Sfrp1 small interfering RNA on the proliferation, apoptosis and osteoblastic differentiation of primary mesenchymal stem cells isolated from rats. Western blot assays were performed to assess the relevant mechanisms, and a dual luciferase reporter assay was used to detect the interaction between miR-144 and Sfrp1. The results showed that the levels of miR-144, Sfrp1 and TNF-α in clinical serum samples obtained from patients with postmenopausal OP were higher than those in serum samples obtained from postmenopausal women with normal bone density. There was a significant positive correlation between miR-144 and Sfrp1. Functional experiments demonstrated that miR-144 promoted proliferation, inhibited apoptosis and induced the osteoblastic differentiation of bone marrow-derived mesenchymal stem cells by targeting Sfrp1. It was also shown that miR-144 may help regulate OP by activating the Wnt/β-catenin pathway. These data suggest miR-144 as a novel target for preventing and treating OP.
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Affiliation(s)
- Ling Tang
- Department of Geriatrics, Affiliated Hospital of Guilin Medical University, Guilin, Guangxi 541001, P.R. China
| | - Wenjun Lu
- Department of Geriatrics, Affiliated Hospital of Guilin Medical University, Guilin, Guangxi 541001, P.R. China
| | - Jian Huang
- Department of Cell Biology and Genetics, Guilin Medical University, Guilin, Guangxi 541005, P.R. China
| | - Xu Tang
- Department of Occupational and Environmental Health, School of Public Health, Guangxi Medical University, Nanning, Guangxi 530021, P.R. China
| | - Huiyun Zhang
- Department of Endocrinology, Graduate School of Guilin Medical University, Guilin, Guangxi 541001, P.R. China
| | - Shujiao Liu
- Department of Geriatrics, Affiliated Hospital of Guilin Medical University, Guilin, Guangxi 541001, P.R. China
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20
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Bone remodeling induced by mechanical forces is regulated by miRNAs. Biosci Rep 2018; 38:BSR20180448. [PMID: 29844019 PMCID: PMC6028748 DOI: 10.1042/bsr20180448] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2018] [Revised: 05/13/2018] [Accepted: 05/25/2018] [Indexed: 12/14/2022] Open
Abstract
The relationship between mechanical force and alveolar bone remodeling is an important issue in orthodontics because tooth movement is dependent on the response of bone tissue to the mechanical force induced by the appliances used. Mechanical cyclical stretch (MCS), fluid shear stress (FSS), compression, and microgravity play different roles in the cell differentiation and proliferation involved in bone remodeling. However, the underlying mechanisms are unclear, particularly the molecular pathways regulated by non-coding RNAs (ncRNAs) that play essential roles in bone remodeling. Amongst the various ncRNAs, miRNAs act as post-transcriptional regulators that inhibit the expression of their target genes. miRNAs are considered key regulators of many biologic processes including bone remodeling. Here, we review the role of miRNAs in mechanical force-induced bone metabolism.
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21
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Wang C, Liao H, Sun H, Zhang Y, Cao Z. MicroRNA-3064-3p regulates the differentiation of cementoblasts through targeting DKK1. J Periodontal Res 2018; 53:705-713. [PMID: 29704238 DOI: 10.1111/jre.12554] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/22/2018] [Indexed: 01/13/2023]
Affiliation(s)
- C. Wang
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST KLOS) & Key Laboratory for Oral Biomedical Engineering of Ministry of Education(KLOBME); School & Hospital of Stomatology; Wuhan University; Wuhan China
| | - H. Liao
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST KLOS) & Key Laboratory for Oral Biomedical Engineering of Ministry of Education(KLOBME); School & Hospital of Stomatology; Wuhan University; Wuhan China
| | - H. Sun
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST KLOS) & Key Laboratory for Oral Biomedical Engineering of Ministry of Education(KLOBME); School & Hospital of Stomatology; Wuhan University; Wuhan China
- Department of Periodontology; School & Hospital of Stomatology; Wuhan University; Wuhan China
| | - Y. Zhang
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST KLOS) & Key Laboratory for Oral Biomedical Engineering of Ministry of Education(KLOBME); School & Hospital of Stomatology; Wuhan University; Wuhan China
- Department of Oral Implantology; School & Hospital of Stomatology; Wuhan University; Wuhan China
| | - Z. Cao
- The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST KLOS) & Key Laboratory for Oral Biomedical Engineering of Ministry of Education(KLOBME); School & Hospital of Stomatology; Wuhan University; Wuhan China
- Department of Periodontology; School & Hospital of Stomatology; Wuhan University; Wuhan China
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22
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Involvement of bone morphogenetic protein-related pathways in the effect of aucubin on the promotion of osteoblast differentiation in MG63 cells. Chem Biol Interact 2018; 283:51-58. [PMID: 29408431 DOI: 10.1016/j.cbi.2018.02.005] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2017] [Revised: 01/20/2018] [Accepted: 02/02/2018] [Indexed: 12/20/2022]
Abstract
Aucubin, an iridoid glycoside found in several plants, such as Eucommia ulmoide and Rehmannia, has various pharmacological effects. Bone formation is a complex process in which osteoblast differentiation plays an important role. This study aimed to investigate the promotion effects of aucubin on osteoblast differentiation in MG63 cells, a human osteoblast-like cell line. Aucubin not only improved osteoblast differentiation, as shown by enhanced ALP (alkaline phosphatase) concentration and mineralization in cells, but increased the expression of various cytokines, including collagen I, osteocalcin, osteopontin, integrin β1, and Osterix. Aucubin strongly enhanced the levels of BMP2 (bone morphogenetic proteins-2) in MG63 cells, which play a central role during osteoblast differentiation. Further data show that aucubin exposure after 1 day, 7 days, and 14 days enhanced the expression of Smad1, 5, and 8, and the phosphoresced levels of MAPKs (mitogen-activated protein kinases) family Erk (extracellular signal-regulated kinases), JNK (c-Jun-NH2-terminal kinases), P38, and Akt (serine/threonine protein kinase)/mTOR (mammalian target of rapamycin)/p70s6k in MG63 cells. This study shows the improved effects of aucubin on osteoblast differentiation in MG63 cells, related to the signaling of BMP2-mediated Smads (drosophila mothers against decapentaplegic proteins), MAPKs, and Akt/mTOR/p70S6K. This study indicates the potential of aucubin for osteoporosis treatment.
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23
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Yu W, Zheng Y, Yang Z, Fei H, Wang Y, Hou X, Sun X, Shen Y. N-AC-l-Leu-PEI-mediated miR-34a delivery improves osteogenic differentiation under orthodontic force. Oncotarget 2017; 8:110460-110473. [PMID: 29299161 PMCID: PMC5746396 DOI: 10.18632/oncotarget.22790] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2017] [Accepted: 11/14/2017] [Indexed: 01/08/2023] Open
Abstract
Rare therapeutic genes or agents are reported to control orthodontic bone remodeling. MicroRNAs have recently been associated with bone metabolism. Here, we report the in vitro and in vivo effects of miR-34a on osteogenic differentiation under orthodontic force using an N-acetyl-L-leucine-modified polyethylenimine (N-Ac-l-Leu-PEI) carrier. N-Ac-l-Leu-PEI exhibited low cytotoxicity and high miR-34a transfection efficiency in rat bone mineral stem cells and local alveolar bone tissue. After transfection, miR-34a enhanced the osteogenic differentiation of Runx2 and ColI, Runx2 and ColI protein levels, and early osteogenesis function under orthodontic strain in vitro. MiR-34a also enhanced alveolar bone remodeling under orthodontic force in vivo, as evidenced by elevated gene and protein expression, upregulated indices of alveolar bone anabolism, and diminished tooth movement. We determined that the mechanism miR-34a in osteogenesis under orthodontic force may be associated with GSK-3β. These results suggested that miR-34a delivered by N-Ac-l-Leu-PEI could be a potential therapeutic target for orthodontic treatment.
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Affiliation(s)
- Wenwen Yu
- Department of Orthodontics, School and Hospital of Stomatology, Jilin University, Changchun 130021, China
| | - Yi Zheng
- Department of Periodontics, School and Hospital of Stomatology, Jilin University, Changchun 130021, China
| | - Zhujun Yang
- Department of Orthodontics, School and Hospital of Stomatology, Jilin University, Changchun 130021, China
| | - Hongbo Fei
- Department of Periodontics, School and Hospital of Stomatology, Jilin University, Changchun 130021, China
| | - Yang Wang
- Department of Orthodontics, School and Hospital of Stomatology, Jilin University, Changchun 130021, China
| | - Xu Hou
- Department of Orthodontics, School and Hospital of Stomatology, Jilin University, Changchun 130021, China
| | - Xinhua Sun
- Department of Orthodontics, School and Hospital of Stomatology, Jilin University, Changchun 130021, China
| | - Yuqin Shen
- Department of Periodontics, School and Hospital of Stomatology, Jilin University, Changchun 130021, China
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24
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Gao L, Li SH, Tian YX, Zhu QQ, Chen G, Pang YY, Hu XH. Role of downregulated miR-133a-3p expression in bladder cancer: a bioinformatics study. Onco Targets Ther 2017; 10:3667-3683. [PMID: 28790856 PMCID: PMC5530854 DOI: 10.2147/ott.s137433] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023] Open
Abstract
It has been discovered that miR-133a-3p acts as a tumor suppressor in bladder cancer (BC). Nevertheless, the function of miR-133a-3p in BC remains unclarified. Thus, we carried out this study to validate the expression of miR-133a-3p in BC and provide insights into the molecular mechanism underlying it. To assess the expression of miR-133a-3p in BC, we searched eligible studies from literature and Gene expression Omnibus (GEO) to perform a meta-analysis. We also plotted the summary receiver operating characteristic (SROC) curve to evaluate the diagnostic ability of miR-133a-3p in BC. Additionally, the potential target genes of miR-133a-3p were acquired from 14 online software programs and GEO database. Protein-protein interaction (PPI) network was created to identify the hub genes. Then, Gene Ontology (GO) functional annotation analysis and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway analysis were carried out to investigate the regulatory network of the target genes. From the meta-analysis, miR-133a-3p was remarkably downregulated in BC tissues compared with that in non-cancer tissues (standard mean difference =−3.84, 95% confidence interval =−6.99–0.29). Moreover, results from SROC suggested that miR-133a-3p exhibited the ability to diagnose BC (area under curve =0.8418). As for the bioinformatics study, 488 genes were chosen as the potential targets of miR-133a-3p in BC, among which 10 genes were defined as hub genes (all degrees >5). Further GO and KEGG pathway analysis indicated that the target genes of miR-133a-3p aggregated in specific biological process and pathways. In conclusion, miR-133a-3p possessed great diagnostic potential with its downregulation in BC, and miR-133a-3p might serve as a novel biomarker for BC.
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Affiliation(s)
- Li Gao
- Department of Medical Oncology
| | | | | | | | - Gang Chen
- Department of Pathology, First Affiliated Hospital of Guangxi Medical University, Nanning, People's Republic of China
| | - Yu-Yan Pang
- Department of Pathology, First Affiliated Hospital of Guangxi Medical University, Nanning, People's Republic of China
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Regulatory roles of microRNAs in human dental tissues. Gene 2017; 596:9-18. [DOI: 10.1016/j.gene.2016.10.009] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2016] [Revised: 09/06/2016] [Accepted: 10/06/2016] [Indexed: 01/04/2023]
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